CN103158715B - The method and system of neutral tow mode is provided in line traffic control manual transmission - Google Patents
The method and system of neutral tow mode is provided in line traffic control manual transmission Download PDFInfo
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- CN103158715B CN103158715B CN201210520358.8A CN201210520358A CN103158715B CN 103158715 B CN103158715 B CN 103158715B CN 201210520358 A CN201210520358 A CN 201210520358A CN 103158715 B CN103158715 B CN 103158715B
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- Prior art keywords
- neutral
- tow mode
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- park
- ignition switch
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
- B60W10/182—Conjoint control of vehicle sub-units of different type or different function including control of braking systems including control of parking brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2300/00—Purposes or special features of road vehicle drive control systems
- B60Y2300/28—Purposes or special features of road vehicle drive control systems related to towing or towed situations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
- F16H2061/168—Forced shifts into neutral for safety reasons, e.g. in case of transmission failure or emergency braking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/48—Signals to a parking brake or parking lock; Control of parking locks or brakes being part of the transmission
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Control Of Transmission Device (AREA)
Abstract
The present invention provides the method and system providing neutral tow mode in a kind of manual transmission in line traffic control, described method and system is when trigger event is detected, by when selecting Park, ignition switch to open with tail-off using transmission control mechanism or when providing neutral tow mode specific sequence of events is once detected in the vehicle with line traffic control manual transmission by showing neutral tow mode option, for example open ignition switch, depress and keep brake pedal and select to park, then cancel neutral tow mode.When, in neutral tow mode, variator will stay on neutral, without being automatically shifted to Park or using battery electric power such that it is able to make vehicle be towed over long distances, without consuming battery electric power.
Description
Technical field
The present invention relates to for the automatic transmission field of motor vehicles, being more particularly to in line traffic control manual transmission
The method and system of neutral tow mode is provided in (shift-by-wire transmission).
Background technology
Traditional automatic transmission includes the derailleur control device of the variator for controlling motor vehicles.Transmission control
Device is used for selecting multiple scopes (ranges), for example：Park, wherein variator locking are moved with stoping vehicle；Neutral, its
Middle variator allows vehicle freely by movement (for example when being towed)；Reverse gear shift, wherein variator allow vehicle to be moved back by
Dynamic；And one or more travel gear scope, travel gear scope allow the vehicle to move forward.Generally, transmission control dress
Put is to pass through mechanical connection (such as hawser or underground) in the form of connecting rod (lever) to be connected with variator.Typically, even
Bar is additionally coupled to indicator.With transmission control mechanism from a scope movement to another scope, it is mechanically connected physically
Variator is switched to selected setting and indicator goes to which scope display driver has selected for.Even if stopping car
, driver also can determine current variator scope from indicator, and in some cases (for example when this car will be dragged
When) can be by transmission control mechanism movement to neutral.
In order to carry out automatic transmission ratio (gear ratio) gearshift, traditional automatic transmission utilizes multiple friction elements.Wide
Say, these friction elements can be described as moment of torsion and set up element, although more generally they are referred to as clutch or system generally
Dynamic device.These friction elements run to set up the power stream from explosive motor to one group of vehicle traction wheel.Adding in vehicle
Speed during, for given engine air throttle setting, with speed increase in gear ratio upshift (ratio upshift) phase
Between, overall rotating ratio (the namely ratio of transmission input shaft rotating speed and transmission output speed) reduces.Give for any
Determine speed and increase is set with engine air throttle, or when arranging reduction speed decline with engine air throttle, occur
Downshift is to reach higher rotating ratio.It is found that multiple planetary gear structures in Modern Automatic Transmissions.However, shifting power
The basic principle learned still keeps similar.The automatic transmission shift with multiple planetary gearsets along with application and/or discharges
Friction element is to change speed and torque relationship and to change torque path by planetary gearsets.It is normally based on variator control
The position of device processed and hydraulic pressure or mechanically drive friction element.
In line traffic control manual transmission arrangement, eliminate the mechanical connection between derailleur control device and variator.
On the contrary, derailleur control device sends the signal of telecommunication to electronic controller along electric wire (wire), the independent driver of its instruction
To apply or to discharge multiple friction elements thus obtaining desired gear ratio.Control device is no longer necessary to deposit in the form of connecting rod
Because control device no longer mechanically moving connects to control variator.On the contrary, control device is usually and is used for order variator
A series of electro-mechanical interface (for example, buttons, connecting rod or knob) of switching between transmission range.Generally using by vehicle
On battery provide the present scope to indicate variator for the electronic displayss of electric power and this display must be opened, from
And need to draw which scope electric power has selected in order to make driver know.
The vehicle that many has line traffic control manual transmission adopts " being back to Park " feature, to leave vehicle in driver
Or the voltage that provides of battery under specific " threshold value tows level " (thresTow level) automatically by shift of transmission
For Park.See, for example, United States Patent (USP) 3,937,105,4,892,014 and 7,156,218.When generation certain trigger events
(for example untie driver simultaneously when vehicle detects seat belt with system after when travelling less than calibration speed or when ignition cut
Car door opening) when activate such feature.Automatically shift of transmission is prevented undesirable movement of vehicle to parking.
The feature of even now is useful under very many driving conditions, when driver wishes to leave vehicle and make car
It is unfavorable for being maintained at such feature during neutral.In many vehicles, due to regulator requirements, when variator is in Park
When any gear in addition is arranged, electronic displayss are all switched on.Therefore, if variator is placed in neutral to drag by driver
Motor-car, then electronic displayss will stay open and eventually be towed very distance (for example, when vehicle is more with vehicle
When being dragged in the travel of open country after the offroad vehicle (recreational vehicle) that lies fallow) and consume battery.
As discussed above visible, variator also can be made to be maintained at sky even if prior art needs a kind of driver to leave vehicle
Gear arranges and also will not lead in towing the method that battery is consumed.
Content of the invention
The present invention relates to for for being placed in multiple gear scopes (such as Park, traveling gear and neutral) and having certainly
The line traffic control manual transmission of the dynamic feature being back to Park provides the system of neutral tow mode, and this automatically returns to Park
Feature be used for when because driver prepares to exit vehicle, vehicle is travelled with extremely low speed or makes change when being in stop conditions
Fast device shifts to Park.System is included for determining that driver wishes the transmission control machine of which transmission range or pattern
Structure.Controller is used for from multiple sensors (such as car door opening sensor, seat harness sensor, ignition switch sensor)
And transmission control mechanism receive information, to determine when shift of transmission to various scopes and pattern.
In a preferred embodiment, neutral tow mode makes variator prevent self shifter within the relatively long time period
To Park and do not need system to be powered, do not consume battery to allow vehicle can be towed by distance.By controlling
The method that device executes two steps enters neutral tow mode, wherein, shows that neutral tows option first, then when this option is chosen
When, enable neutral tow mode.Described system has display, when using transmission control mechanism have selected Park,
Ignition switch is opened and during tail-off, or when having promoted information button, display is used for showing that neutral is dragged
Row option.The display of neutral tow mode, when described brake pedal application is detected, occurs.Once information button is detected
The display of neutral tow mode, when being promoted, occurs.When service brake is detected and be operated, enter neutral and tow mould
Formula.When variator is detected and shifted to neutral, enter neutral tow mode and occur.Enter neutral tow mode,
After opening car door or opening ignition switch, display only activates the limited amount time, thus not from vehicle consumption electric power.Control
Device processed be additionally configured to once detect have selected for neutral tow option when, service brake be operated when or variator
Shift to enter neutral tow mode during neutral.Controller is configured to keep being in neutral by variator, and will not be one
Denier detects during trigger event self shifter to Park, once and controller be configured to specific chain of events is detected
When cancel neutral tow.Described trigger event preferably by detecting, ignition switch has been switched off, driver has been moved off vehicle or
Person has unclamped brake of parking and has constituted.Described trigger event also can have been unclamped by pedal of parking, described ignition switch is closed
Close or the released composition of operator's seat seat belt.Described sequence of events includes at least two things in following event group
Part, described event group by open ignition switch, depress and keep brake pedal and select Park form.
Methods described also includes showing that described neutral tow mode has been cancelled.
Be combined from the detailed description of preferred embodiment below or with accompanying drawing, the extra purpose of the present invention, feature and
Advantage will become more fully apparent, wherein in the accompanying drawings identical drawing reference numeral be related to corresponding in different views
Part.
Brief description
Fig. 1 comprises according to the present invention for providing the system of neutral tow mode in line traffic control manual transmission for display
Vehicle figure.
Fig. 2 is the basic schematic of system in Fig. 1.
Fig. 3 is that display is dragged for entering neutral according to what one preferred embodiment of the present invention adopted in the system of fig. 1
The flow chart of the control program of row mode.
Fig. 4 is to show to exit neutral tow mode according to being used for of adopting in the system of fig. 1 of another preferred embodiment
Control program flow chart.
Specific embodiment
With reference first to Fig. 1 it is shown that motor vehicles 10, it includes vehicle body 11, electromotor 12 and battery 15.It is derived from and start
The power of machine 12 transmits to variator 18, subsequently transmit to driving wheel 22 to the other parts of dynamical system 20 and finally.Vehicle 10
It is shown as rear wheel drive vehicle, but can be using including front-wheel drive system or any kind of of all-wheel-drive system moves
Power system is arranged.Although additionally, electromotor 12 is shown as explosive motor, setting can be driven using other types of, including mixed
Close power-driven system.Controller 25 is connected to electromotor 12 and variator 18 by communication line 27 and 28 respectively.Control
Device 25 obtains the information for controlling electromotor 12 and variator 18 using the input from multiple sources.For example, controller 25
Connected by communication line 35 and be used to determine whether that driver door 32 is opened to driver door sensor 30.Seat is pacified
Full belt sensor 40 determine whether seat harness 41 be fasten and its connect to controller again by communication line 45
25.Ignition switch 47 and braking sensor 48 are connected to controller 25 by circuit 50 and 51 respectively.
Fig. 2 shows the more details of variator 18, and it is the example of many multi-ratio transmission, wherein passes through friction element
Act on each teeth parts and control the change of gear ratio.Engine torque from electromotor 12 distributes to hydraulic moment changeable
The torque-input-element 110 of device 112.The pump impeller 114 of torque-converters 112 generates turbine torque with known form on turbine 116.
Turbine torque is distributed to turbine wheel shaft, and turbine wheel shaft is also transmission input shaft 118.Variator 18 illustratively comprises single entry planetary gear
Group 120 and compound planet gear group 121.Single entry planetary gearsets 120 have the central gear S1 for good and all fixing, ring gear
R1 and pivotally support the planet pinion P1 in planet carrier 122.Transmission input shaft 118 is to be drivably connected to ring
Shape gear R1.Compound planet gear group 121 (occasionally referred to as Ravigneaux-Satz (Ravagineaux gearset)) has relatively
The central gear S3 of little pitch circle, torque output ring gear R3, the central gear S2 of larger pitch circle and the little tooth of compound planetary
Wheel.Compound planetary little gear includes long little gear P2/3, this long little gear P2/3 driveably engage short planet pinion P3 and
Torque output ring gear R3.Long planet pinion P2/3 is also driveably to engage short planet gear P3.Short planet pinion
P3 is engaged with central gear S3 further.Planet pinion P2/3, P3 of compound planet gear group 121 is pivotally supported at multiple
On formula planet carrier 123.Ring gear R3 is drivably connected to torque output shaft 124, and this torque output shaft 124 passes through in Fig. 1
Shown dynamical system 20 is drivably connected to vehicle traction wheel 22.Single entry planetary gearsets 120 are with respect to compound planetary tooth
The step-down ratio gear train (underdrive ratio gearset) that wheel group 121 is arranged in series.Normally, variator 18 is excellent
Choosing includes locking or torque-converters bypass clutch (as shown in 125) to move in torque converter torque multiplication Pattern completion and fluid
Transmission input shaft 118 is connected directly to electromotor 12 after starting by Coupling with Mechanics pattern.
Fig. 2 also show transmission range control module 151 and power train control module 152, and it collectively constitutes control
Device 25 processed.Transmission range control module 151 is passed through gearshift line (sign) and is connected to variator 18.Transmission range controls mould
Block 151 substitutes and is used for shifting to variator from a scope another mechanical changeover device in the past.Such as shift module is provided
156 transmission control mechanism is to select shift of transmission scope.One possible embodiment can be multiple button 158,
Each represents a different transmission range.Shift module 156 is used for selecting multiple scopes, for example：Park, wherein speed change
Device output locking is to stop vehicle 10 mobile；Neutral, wherein variator allow vehicle 10 to move freely (for example when being towed)；
Reverse gear shift, wherein variator 18 allow vehicle 10 move backwards, and one or more travel gear scope (it can make vehicle 10
Carry out advancing and move).Shift module 156 is also illustrated as including motion gear scope.Motion gear scope keeps off scope similar to travelling, but
It is can be so that variator 18 is advanced based on the Input transformation from the upshift being driven by driver and kickdown switch (not shown)
Gear gear ratio (shift forward ratio).As shown in Fig. 2 shift module button 158 is identified with generally corresponding to several changes
The letter of fast device scope, such as " P ", " R ", " N ", " D " and " S ".Once variator 18 comes into one of above range,
Which scope message center 160 has showed access into for driver.Additionally, shift module 156 is from can in case of emergency shift to
The surmounting button 165 and make message center 160 that extraneous information is supplied to the information button 170 of driver of neutral tow mode
Receipt signal.Preferably, surmounting button 165 and having prevents from surmounting the housing 175 that button 165 is unexpectedly depressed.
Park setting preferably can be entered in many ways.Especially, driver can be selected by pressing " P " button
Park, and whether power train control module 152 be then checked for check vehicle 10 currently to travel less than extremely low speed
Or static, and if it is, variator 18 is shifted to Park by instruction transmission range control module 151.Alternative
Ground, when driver's ignition switch is closed, automatically order transmission range controls the power train control module 152 of electromotor 12
Variator 18 is shifted to Park by module 151, therefore realizes " be back to and park " feature.Similarly, when driver is in solution
When opening car door 32 after driving seat belt 41, sensor 30 and 40 can provide signal (signal) to power train control module 152,
Variator 18 is shifted to park by its autocommand transmission range control module 151, thus realizing " be back to and park " again
Feature.Indicate the button of " R " and enter reverse gear shift scope by pressing, now power train control module 152 autocommand speed change
Variator 18 is shifted to reverse gear shift by device range control module 151, so that vehicle 10 can be moved rearwards by.Change in display
In fast device embodiment, set up reversing by applying low speed and reverse gear shift (low-and-reverse) brake D and friction element B
Gear setting.Can not safely enter by " N " button that presses on shift module 156 or when vehicle 10 travels too fast
Enter pressing " P " button during park mode and enter neutral shift range.In either case, power train control module 152 order speed change
Variator 18 is shifted to device range control module 151 neutral and variator 18 allows wheel 22 to rotate freely through.
By press respectively " D " or " S " button and enter traveling gear or motion gear scope.Alternatively, in car
10 move forward during low gear or " L " gear setting (not shown) can be used for for variator 18 being maintained at low gear.When in traveling
During gear, in the example transmission of display, during front four forward gear ratio (forward driving ratio) operate,
Planet carrier 122 is driveably connected to central gear S3 by output shaft 126 and advance friction element A.With the 3rd and
During five gear ratios operatings, direct friction element B driveably connects planet carrier 122 to axle 127, and axle 127 connects to big
Centre of pitch circle gear S2.During with the four, the 5th and the 6th forward gear ratio operating, surmount (or hypervelocity) friction element E
By axle 128, turbine wheel shaft 118 is connected to compound planetary frame 123.With second and the 6th forward gear ratio operating during rub
Element C operates as back action brake (reaction brake).During the 3rd forward gear ratio operating, direct friction
Element B is together applied with advance friction element A.The subsequent locking of element of compound planet gear group 121 is together to affect axle 128
Direct drive and output shaft 126 between connects.During traveling of advancing, moment of torsion is passed through in the torque output side of advance friction element A
Transmitting element 129 connects to the torque input side of direct friction element B.The torque output of direct friction element B during advancing
Side is connected to axle 127 by torque delivery element 130.The more details of such variator configuration can be in United States Patent (USP)
Find in 7216025, here is introduced into and is incorporated herein.
Fig. 3 is the flow chart showing the method for optimizing 200 entering neutral tow mode according to the present invention.Generally, pass through
Close electromotor 12, open ignition switch and the input that carries out by menu driven display and enter neutral tow mode.
When vehicle 10 is in neutral tow mode, disable " being back to Park " function.Additionally, message center 160 will enter dormancy
Pattern, thus not consuming battery 15, this enables vehicle 10 to be towed over long distances.Enter the method for optimizing that neutral tows
200 from the beginning of step 210, and is executed by controller 25.Then, in step 220, controller 25 checks to determine vehicle 10 whether
It is in Park, whether ignition switch 47 is opened with whether electromotor 12 closes.If it is not, controller 25 is in step 225
Appear dimmed or the neutral of other distinguishing colors tows option, and be simply back to step 210.Otherwise, controller
25 proceed to step 230, and in this step, driver searches (scroll) neutral by the menu rolling in information centre 10 and tows
Pattern, then controller 25 show selectable neutral tow mode in step 240.In step 245, controller 25 determines to be driven
Whether member selects neutral tow mode, if selected for, then controller 25 enters neutral tow mode in step 250 and lacks
The feature or be back to feature failure of parking of parking saving.So, variator 18 will stay on neutral and triggering thing is being detected
Will not during part (for example, release brake 48, close ignition switch 47 or sense driver and unclamped seat harness 41)
Self shifter is to Park.The neutral of step 240 display tow option also detecting when brake 48 of parking is employed or
Person is occurred when information button 170 promotes.Then controller 25 (in step 255) checks whether to see " N " button
It is pressed and brake pedal 48 is depressed, if these actions are affirmatives, proceed to step 265, checked whether with examining
Line traffic control shifting system achieves neutral, and in step 270 command information center 160, controller 25 shows that " neutral tows use
In " or some other similar message, it has been successfully entered " neutral tows " pattern to allow driver to know.If pressed
Any other button and do not press neutral button " N " and applied brake (step 272) simultaneously, then in step 275,
Neutral tow mode failure.Similarly, if being still not carried out neutral in step 265 line traffic control shifting system, in step 275
Neutral tow mode failure and controller 25 returns to step 225.Additionally, when entrance neutral tow mode, door 32 are opened
Or during ignition switch closing, message center 160 preferably power-off, do not consume battery 15 to allow distance to tow, then swash
The work limited time.
Fig. 4 shows the method for optimizing 300 exiting neutral tow mode when specific sequence of events is detected.From opening
Beginning step 310 starts, and controller 25 is just checked in step 315 to determine whether vehicle 10 is in neutral tow mode.As
Fruit vehicle 10 is not in neutral tow mode, then controller 25 returns to step 310.If vehicle 10 is in neutral and tows mould
Formula, then in step 320, controller 25 determines whether ignition switch 47 is in " opening ".If ignition switch 47 is in open shape
State, then controller 25 carry out inspection in step 325 and see whether button of parking " P " has been promoted and applied brake.
If it is not, then keeping using neutral tow mode (step 330).Otherwise, controller 25 enters into step 335, to determine is
No line traffic control variator 18 has been realized in Park, in Park, releases neutral tow mode (step 340), based on this, message
The message that center 160 display instruction neutral tow mode has been cancelled.Otherwise, controller 25 uses electricity in step 345 order
Son is parked brake, and in the step 350 in the message heart 160 display " shifting system error " or some other be similar to disappear
Breath.Using this preferably method, driver can leave vehicle 10 and make variator 18 will not be automatically returned to Park.
Additionally, vehicle 10 can also be towed by distance and not consume battery.
Although with reference to the preferred embodiments of the present invention description it should be appreciated that the present invention can be made multiple change and/or
Modification is without departing from the essence of the present invention.For example, it is possible to make no to the method for optimizing entering and exiting neutral tow mode
Number micro-strain is without changing the concept of invention.Although additionally, employing promoting button in embodiments of the disclosure, acceptable
Using multiple other selection settings, including multiple switches.Generally, invention only to be limited by the scope of claims.
Claims (12)
1. a kind of system for providing neutral tow mode in vehicle, described vehicle includes ignition switch, electromotor, parks
Brake, information request switch, car door and there is the line traffic control manual transmission automatically returning to Park feature, described system bag
Include：
Transmission control mechanism, for controlling variator；
Detector, is used for detecting when to select neutral using transmission control mechanism；
Display, for when selecting neutral, ignition switch to open using transmission control mechanism and during tail-off
Display neutral tows option or shows that neutral tows option when having promoted information request switch,
Controller, is configured to enter neutral tow mode, wherein, described controller will make line traffic control manual transmission be in neutral
And when trigger event is detected will not self shifter to Park.
2. the system as claimed in claim 1, wherein, once described controller is additionally configured to neutral is detected and has towed option
Through entering neutral tow mode when being chosen.
3. the system as claimed in claim 1, wherein, once described controller is additionally configured to service brake is detected and has been operated
When enter into neutral tow mode.
4. the system as claimed in claim 1, wherein, once described controller is additionally configured to variator is detected and has shifted gears
Neutral tow mode is entered into during to neutral.
5. the system as claimed in claim 1, wherein, described trigger event be unclamped by brake of parking, ignition switch
Have been switched off having been moved off one of the group of vehicle composition event with driver.
6. the system as claimed in claim 1, wherein, described display is configured to：Enter neutral tow mode after,
After opening car door or after opening ignition switch, only within the time of limited amount, instruction neutral tow mode is activation
, thus not from vehicle consumption electric power.
7. the system as claimed in claim 1, wherein, controller is additionally configured to：Cancel when sequence of events is detected
Neutral tow mode, wherein, described sequence of events include by open ignition switch, depress and keep brake pedal and select pool
At least two events in the group of car composition.
8. a kind of method that neutral tow mode is provided in the line traffic control manual transmission in vehicle, described line traffic control manual transmission
Have and automatically return to Park feature, methods described includes:
Display neutral tow mode option；
Enter neutral tow mode by selecting neutral tow mode option, wherein, variator will stay on neutral and detecting
Arrive Park to not self shifter during trigger event.
9. method as claimed in claim 8, wherein, opens and during tail-off in ignition switch, once detecting
Select to occur the display that neutral tows option during Park using transmission control mechanism.
10. method as claimed in claim 8, wherein, has selected for when neutral tows option entering neutral once detecting
Tow mode.
11. methods as claimed in claim 8, also include：When entering neutral tow mode, the car door opening of vehicle or open
During ignition switch, within the time of limited amount, only show that neutral tow mode is activation, thus not from vehicle consumption electric power.
12. methods as claimed in claim 8, also include：Cancel neutral tow mode when sequence of events is detected, its
In, described sequence of events include by open ignition switch, depress and keep brake pedal and select Park form one
At least two events in group event.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/315,965 US8688339B2 (en) | 2011-12-09 | 2011-12-09 | Method and system for providing a neutral tow mode in a shift-by-wire transmission |
| US13/315,965 | 2011-12-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103158715A CN103158715A (en) | 2013-06-19 |
| CN103158715B true CN103158715B (en) | 2017-03-01 |
Family
ID=48464958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210520358.8A Active CN103158715B (en) | 2011-12-09 | 2012-12-06 | The method and system of neutral tow mode is provided in line traffic control manual transmission |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8688339B2 (en) |
| CN (1) | CN103158715B (en) |
| DE (1) | DE102012222204A1 (en) |
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| KR102465901B1 (en) * | 2017-11-01 | 2022-11-11 | 현대자동차주식회사 | Neutral range parking apparatus for vehicle and controlling method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20130151096A1 (en) | 2013-06-13 |
| DE102012222204A1 (en) | 2013-06-13 |
| CN103158715A (en) | 2013-06-19 |
| US8688339B2 (en) | 2014-04-01 |
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